1. Vladimir Putin, President of Russia – $40 billion

The Russian President since 2012, Vladimir Putin tops the list of richest Presidents. His stakes in various Russian Companies make him a billionaire president.

2. Bhumibol Adulyadej, King of Thailand – $30 billion

Bhumibol Adulyadej is the beloved King of Thailand. The King has made generous contributions to various sectors of Thai society. He is believed to be the richest royal alive in the world.

3. Hassanal Bolkiah, Sultan of Brunei – $20 billion

Hassanal Bolkiah’s became the Sultan of Brunei in 1967. His richness can be seen in the love he has for cars. His car collection is considered to be largest in the whole world.He also owns a customized Rolls Royce coated with 24k gold only for him.

4. Abdullah bin Abdulaziz Al Saud, King of Saudi Arabia – $18 billion

Abdullah bin Abdulaziz Al Saud is the King of Saudi Arabia. He is also the caretaker of the Two Holy Mosques in Saudi. He is known for his generous contributions to the victims’ international disasters, like the 2008 earthquake in China and Hurricane Katrina in New Orleans.